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A hollow cylinder is made by welding two thin disks on either side of a thin ring. It is mounted on a axel and a 2 kg mass is hung from a cord wrapped around the ring. How far has the mass moved when its velocity is 2.43 m/s? Friction exerts a constant moment of.32 Nm. Specs - Ring: m = 300 g, r = 7 cm Disk: m = 500 g, r = 9 cm.
tom and jim are kicking a ball which has a mass of 490g back and forth. tom kicks the ball with a speed of 5ms
Calculate the e?ciency of the furnace if the speci?c heat capacity of the water is cp = 4.2kJ/(kgK) and the zero level of enthalpy is at 0?C! (η = 79.6%)
a cold-air standard diesel cycle has a compression ratio of 16 and begins compressing air isentropically from an
a construction crew lifts about 560 lb of material serveral times during the day from a flatbed truck to a 32 foot
Assuming that the bomb is perfectly insulated what is the temperature of the air in the bomb at the end of filling process? Assume air is an ideal gas with constant specific heats in a ratio Cp/Cv = γ = 1.4 and constant R= 287 J/kg K.
air enters a device operating at steady state at 18 bar and 572 k and leaves at 1.5 bar and 520 k with a volumetric
suppose that you want to design a bumper that will bring a 20-lb package moving at 10 fts to rest at 6 inches from the
combustion products 2 water vapor and 98 dry air by mass flow in a chimney at 34oc and 1 atm. determine a. the dew
Using Newton Raphson method, solve the above equation for as a function of z. Vary z from 0.001 to 0.1 cm in increments of 0.01 cm. plot versus z.
it is observed that the time for the ball to strike the ground at b is 2.5 s. determine the speed va and angle ua at
a beam of rectangular cross section is 200 mm deep 100 mm wide and 3 m long. it is simply supported at each end. it has
1 kg of air is allowed to expand reversibly in a cylinder behind a piston in such a way that the temperature remains
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